From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D4EFC43381 for ; Mon, 25 Feb 2019 13:10:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 445E720842 for ; Mon, 25 Feb 2019 13:10:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726997AbfBYNKt (ORCPT ); Mon, 25 Feb 2019 08:10:49 -0500 Received: from mout.gmx.net ([212.227.15.19]:57629 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726921AbfBYNKt (ORCPT ); Mon, 25 Feb 2019 08:10:49 -0500 Received: from [0.0.0.0] ([54.250.245.166]) by mail.gmx.com (mrgmx003 [212.227.17.184]) with ESMTPSA (Nemesis) id 0LikE1-1haL0P246P-00cwVz; Mon, 25 Feb 2019 14:10:41 +0100 Subject: Re: [PATCH 0/2] Use new incompat feature BG_TREE to hugely reduce mount time To: Hans van Kranenburg , Qu Wenruo , linux-btrfs@vger.kernel.org References: <20190102052945.16325-1-wqu@suse.com> <01eb72d8-73b2-049e-a6f4-37668742a2b8@knorrie.org> From: Qu Wenruo Openpgp: preference=signencrypt Autocrypt: addr=quwenruo.btrfs@gmx.com; prefer-encrypt=mutual; keydata= mQENBFnVga8BCACyhFP3ExcTIuB73jDIBA/vSoYcTyysFQzPvez64TUSCv1SgXEByR7fju3o 8RfaWuHCnkkea5luuTZMqfgTXrun2dqNVYDNOV6RIVrc4YuG20yhC1epnV55fJCThqij0MRL 1NxPKXIlEdHvN0Kov3CtWA+R1iNN0RCeVun7rmOrrjBK573aWC5sgP7YsBOLK79H3tmUtz6b 9Imuj0ZyEsa76Xg9PX9Hn2myKj1hfWGS+5og9Va4hrwQC8ipjXik6NKR5GDV+hOZkktU81G5 gkQtGB9jOAYRs86QG/b7PtIlbd3+pppT0gaS+wvwMs8cuNG+Pu6KO1oC4jgdseFLu7NpABEB AAG0IlF1IFdlbnJ1byA8cXV3ZW5ydW8uYnRyZnNAZ214LmNvbT6JAVQEEwEIAD4CGwMFCwkI BwIGFQgJCgsCBBYCAwECHgECF4AWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCWdWCnQUJCWYC bgAKCRDCPZHzoSX+qAR8B/94VAsSNygx1C6dhb1u1Wp1Jr/lfO7QIOK/nf1PF0VpYjTQ2au8 ihf/RApTna31sVjBx3jzlmpy+lDoPdXwbI3Czx1PwDbdhAAjdRbvBmwM6cUWyqD+zjVm4RTG rFTPi3E7828YJ71Vpda2qghOYdnC45xCcjmHh8FwReLzsV2A6FtXsvd87bq6Iw2axOHVUax2 FGSbardMsHrya1dC2jF2R6n0uxaIc1bWGweYsq0LXvLcvjWH+zDgzYCUB0cfb+6Ib/ipSCYp 3i8BevMsTs62MOBmKz7til6Zdz0kkqDdSNOq8LgWGLOwUTqBh71+lqN2XBpTDu1eLZaNbxSI ilaVuQENBFnVga8BCACqU+th4Esy/c8BnvliFAjAfpzhI1wH76FD1MJPmAhA3DnX5JDORcga CbPEwhLj1xlwTgpeT+QfDmGJ5B5BlrrQFZVE1fChEjiJvyiSAO4yQPkrPVYTI7Xj34FnscPj /IrRUUka68MlHxPtFnAHr25VIuOS41lmYKYNwPNLRz9Ik6DmeTG3WJO2BQRNvXA0pXrJH1fN GSsRb+pKEKHKtL1803x71zQxCwLh+zLP1iXHVM5j8gX9zqupigQR/Cel2XPS44zWcDW8r7B0 q1eW4Jrv0x19p4P923voqn+joIAostyNTUjCeSrUdKth9jcdlam9X2DziA/DHDFfS5eq4fEv ABEBAAGJATwEGAEIACYWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCWdWBrwIbDAUJA8JnAAAK CRDCPZHzoSX+qA3xB/4zS8zYh3Cbm3FllKz7+RKBw/ETBibFSKedQkbJzRlZhBc+XRwF61mi f0SXSdqKMbM1a98fEg8H5kV6GTo62BzvynVrf/FyT+zWbIVEuuZttMk2gWLIvbmWNyrQnzPl mnjK4AEvZGIt1pk+3+N/CMEfAZH5Aqnp0PaoytRZ/1vtMXNgMxlfNnb96giC3KMR6U0E+siA 4V7biIoyNoaN33t8m5FwEwd2FQDG9dAXWhG13zcm9gnk63BN3wyCQR+X5+jsfBaS4dvNzvQv h8Uq/YGjCoV1ofKYh3WKMY8avjq25nlrhzD/Nto9jHp8niwr21K//pXVA81R2qaXqGbql+zo Message-ID: <79f01a1d-97b3-d7c1-91b7-01b7830b3f18@gmx.com> Date: Mon, 25 Feb 2019 21:10:35 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <01eb72d8-73b2-049e-a6f4-37668742a2b8@knorrie.org> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="BQyiejei2G5vjuRb0XrxaYdSfhGnYZeng" X-Provags-ID: V03:K1:bRrOZCul1rgiYhvZPPTdRBvevZbYe0sXpI+W7gSUNi/cZSrWm0w oaHRS1cqgYi7PpbJajrx+PtdVn0LeqHOE0hN2l8VRo2kTTZb18ZJ0l+71uZqyHhkWQ2Qpuq Vi62iIAK8DsgSjaBapr3Ewup0ZNjO9rBdz0o3NdjLYPhRZQV2hIKJJPIl7+0iFz/YUPOrIC +eKo8LPIvh+LQnGUQV5cQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:05IFI2PBAw4=:287LrtAU1DsjKJMnr6mDqx a6OdBJ5UkVlMQbRz54Dsiwt079tGecm2nYAatlqZY2O9ZPOjEUWg/y5TUsq9tDPCEzVEH75uI s4XEkqjqXPw+dmh423rfdTzNEdcVHsPl1pJc0biuOZCaAuinQOyAgueQqTZnFo+SqAuDIlH/T 28Es/3M6dVYCcK+DZU1Q4i1Q8/kkxI8+VnfDqnmjqlmjiUrLcapIPjPR0VmY7hya50H7IHkYs fTFx0Xy/FidKMI3kwVRXFQdPSgYJvulAdFUMlI7YWQb1qOc2rMea8XUgOw78oti/Z3OmXU2ld fYyLT6yrZ+dtnHdWvJAYIskQCzBemHM710scX4l1HjDeV8Lccmz2q5PJatcfvVlcQqiFewes9 4p3dy1H55PKE4zBjL0acbeL3ONs3I9h7K4UsBGL7FNl/ifb61ybWozQiZNf5h14ebxc25IswS nfh+dPtKLqat7Ma6SSbpCufcoQgFUM6bbE35pRWgUlTj16hxoDkkbNXvsgOQQ0PZZAj1stiWJ 724jLEN/IfTUAfdwLWGGSuoJQ1P94LIJ+6GaB9mQDVLAzniiPfZdmNwxJwPtJ4y2xMzrkyzzn OVSM6e6ipi3UdJLzkACbV/XA4YgttN+PKNcppnXnbpy4Jzd0+GHcpF4qI1UW1t3Th0ZH33q0l ddbTHSdtjgn2kjAsE6zI5sYGhlkZ9bXTt249qxSxXCbItTNX0TlXmJqn9r+B4uKEG/XadTN0+ PxROyvFniZiMtXKEVlYKVW35MZVVDc8mlMxUCJ+vXVd1viW07ZeJJMA5iL2e+O8Gf6UQ9WMfM D1D55Ej6pbxfOOeQRa2Qghc3jeM5OCC2PBZqpWCzE9AcYvLLPNbFWmsSSCdoppB/QIAE8LoJj GLH7fuguBjXekWEAVLbUmdl8Dp4sB4jMfy2gcFrVHf58hBi7B/Nx/jwl1PZYEb Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --BQyiejei2G5vjuRb0XrxaYdSfhGnYZeng Content-Type: multipart/mixed; boundary="jD7cL2XyeXlLOQgJaJZQQrMIlTnyXVl9c"; protected-headers="v1" From: Qu Wenruo To: Hans van Kranenburg , Qu Wenruo , linux-btrfs@vger.kernel.org Message-ID: <79f01a1d-97b3-d7c1-91b7-01b7830b3f18@gmx.com> Subject: Re: [PATCH 0/2] Use new incompat feature BG_TREE to hugely reduce mount time References: <20190102052945.16325-1-wqu@suse.com> <01eb72d8-73b2-049e-a6f4-37668742a2b8@knorrie.org> In-Reply-To: <01eb72d8-73b2-049e-a6f4-37668742a2b8@knorrie.org> --jD7cL2XyeXlLOQgJaJZQQrMIlTnyXVl9c Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2019/2/25 =E4=B8=8B=E5=8D=889:02, Hans van Kranenburg wrote: > Hi Qu, >=20 > On 1/2/19 6:29 AM, Qu Wenruo wrote: >> This patchset can be fetched from: >> https://github.com/adam900710/linux/tree/bg_tree >> Which is based on v4.20-rc1 tag. >> >> This patchset will hugely reduce mount time of large fs by putting all= >> block group items into its own tree. >=20 > I'm going to test this. >=20 > Is there some specific command you'd like me to use to produce results > for benchmarks? Nope. If I provides some commands, those must be super beneficial for BG_TREE. So just use whatever you like, near real world use case would be more appreciated. Thanks, Qu --jD7cL2XyeXlLOQgJaJZQQrMIlTnyXVl9c-- --BQyiejei2G5vjuRb0XrxaYdSfhGnYZeng Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEELd9y5aWlW6idqkLhwj2R86El/qgFAlxz6UsACgkQwj2R86El /qjAxQf/cJc4sjioZB4pu6YEkNe/Tr0lN8TIjnioJUIoelvLvwPax/8V0ZP9pTJS 0hMERtxyp4SBImJDbsRnU3FJVGIF+nzpfAVFZDzq4QtSRxyWz+AJNl+PO0NrVzhk bIKsrTTF/ybix2HcqDHa6dU5h6WnsJmDbzpis16iZi65z8hAR0zWZvLCxIdKgcGa w8W/bQ7zgNie4tO5hYGoYoCsJdhw8SocyfBQZlFaO2mLfaqqbAyGNIlaYXDcvkYc T56mTo5Ks8uuZbfYZSabrthy3QW5EM7RCXocq+lEcYScBRDpMh2W/FN6RBY/3CQd ogohjtOAQvL4yeFVHs+HQvv/0zse/Q== =kcP9 -----END PGP SIGNATURE----- --BQyiejei2G5vjuRb0XrxaYdSfhGnYZeng--